About r/electronics
In its own words:
Discussion and news about component-level electronic circuits.
Community guide
r/electronics (#740, about 1.4 million subscribers) — Discussion and news about component-level electronic circuits. A recent sample averaged 4.8 posts a day (~48% image, ~35% gallery, ~12% link). Its public rules include: Be on topic - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; Be civil and professional - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; No commercial or promotional posts - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; Add a flair your submission. - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!.
What belongs here
Stay inside the room’s stated scope rather than adjacent off-topic dumps. Civility/anti-harassment rules apply; personal attacks get removed. Match posts to: Be on topic - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; Be civil and professional - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; No commercial or promotional posts - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!; Add a flair your submission. - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!.
How it differs from lookalikes
Prefer this room when your post matches its description and rules—not merely a larger sibling community.
Practical pointers
Read the live sidebar/rules before posting; rules can change. Common flairs include: Gallery, Project, General, META.
The community was created on Apr 20, 2008, which makes it 18 years old. Since Nov 2, 2026, it has gained 730 subscribers (+0.05%). Among the 7 communities on our electronics list it is the largest. It sits just behind r/beta (#739) and ahead of r/manhwa (#741) in our ranking.
What sets r/electronics apart
People mostly look and upvote here rather than comment — about 3.6 comments per post, against 13.0 for a typical large subreddit.
Subscriber growth
Between Sep 19, 2026 and Nov 9, 2026, r/electronics went up from 1,427,379 to 1,432,352 subscribers (+5K, +0.35%). That is about 98 new members per day. The chart shows 10 weekly subscriber counts.
Top posts on r/electronics this week
What the community upvoted most over the last seven days, as ranked by Reddit (collected Nov 9, 2026).
- Emergency Defibrillatoru/Erosion139 · Nov 5 · gallery
- Decided to give soldering and electronics a go.u/Quirky-Examination94 · Nov 6 · gallery
- Electronics at the Computer History Museum (Mountain View) 2014u/Linker3000 · Nov 3 · gallery
- My first acid etched pcbu/nefthias · Nov 4 · image
- "History San Jose" Wireless Exhibition 2015u/Linker3000 · Nov 3 · gallery
- It's ugly, but it works. 4mm ripped cable ribbon.u/dedokta · Nov 5 · gallery
- DIY "ideal" diode circuitu/Antagonin · Nov 8 · gallery
- Turning a I-400 controller into a computeru/prussianIvory · Nov 7 · gallery
- Digilent Analog Discovery 2 open source HDL and web GUIu/MathematicianFun5013 · Nov 7 · link
- Weekly discussion, complaint, and rant threadu/AutoModerator · Nov 7 · text post
All-time top posts
The highest-ranked posts in the history of r/electronics, from 2016 to 2026, ranked by Reddit.
- I hate it when a solder blob falls onto a PCB and crushes a dozen peopleu/technogeeky · Jun 18, 2017 · 13,560 points · 193 comments · image
- I made a camera from an optical mouse. 30x30 pixels in 64 glorious shades of gray!u/Dycus · Nov 1, 2025 · gallery
- To reveal the text on a semiconductor's package, put a piece of Scotch Magic Tape on it.u/1Davide · Jul 19, 2017 · 4,860 points · 250 comments · image
- This solder was crap and this tip was old, so I finally got to experience The Forbidden Pleasureu/dahud · Jun 26, 2020 · image
- This is by far one of the most difficult and ugliest thing I ever builtJan 19, 2025 · gallery
- I’ve build an clock out of 144 7 segment displaysu/Krukerfluk · Jan 25, 2020 · 3,688 points · 114 comments · image
- I weaved 64 bytes of magnetic core memoryu/AdEast7904 · Jun 16, 2025 · gallery
- Breadboard Wristwatchu/Electro-nut · Jan 19, 2026 · image
- 220 K subscribersu/1Davide · Dec 27, 2020 · image
- I finished the "ultimate" homemade CPU and 8bit computer with discrete logicu/PH4Nz · Nov 6, 2019 · 2,964 points · 213 comments · video
What r/electronics talks about
Across 38 recent posts (Oct 31–Nov 7), the words that come up most are “history”, “project”, “computer”, “ugly” and “works”. Other frequent themes are 4mm, ripped, cable, ribbon, desk and pcb. Recurring phrases include “works 4mm”, “4mm ripped”, “ripped cable” and “cable ribbon”. By format, 45% are galleries, 37% are images and 13% are links.
Popular post flairs: Gallery (13), Project (11), General (6), News (2), META (2), Off topic (1).
Activity and best time to post
r/electronics gets about 4.9 new posts a day. The public archive holds 156,063 posts and 565,993 comments in total, about 3.6 comments per post. Last week the busiest day was Saturday (13 posts) and the quietest was Wednesday (3). Posting peaks around 19:00 UTC and is lowest around 01:00 UTC.
Rules of r/electronics
The moderators of r/electronics list 4 rules. In short:
- Be on topic - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!
- Be civil and professional - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!
- No commercial or promotional posts - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!
- Add a flair your submission. - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!
How to join
Open reddit.com/r/electronics and press “Join”. Read the community rules in the sidebar before you post: every subreddit is run by its own volunteer moderators.
Frequently asked questions
How big is r/electronics?
r/electronics has 1,432,352 subscribers (Nov 9, 2026), which makes it the #740 safe-for-work subreddit in the SubMouse ranking. It added 4,973 members between Sep 19, 2026 and Nov 9, 2026.
When was r/electronics created?
r/electronics was created on Apr 20, 2008, so it has been around for 18 years.
Is r/electronics still active?
Yes. r/electronics gets about 4.9 new posts a day (average of the last four weeks). Over its lifetime the archive counts 156,063 posts and 565,993 comments.
What is the best time to post in r/electronics?
Based on post counts from Oct 31, 2026 to Nov 6, 2026, the busiest day was Saturday and the quietest Wednesday, and most posts arrive around 19:00 UTC, with the fewest around 01:00 UTC. More posts also means more competition, so a quieter hour can help a post get noticed.
What kind of posts are on r/electronics?
The community describes itself as: “Discussion and news about component-level electronic circuits.” Recent post titles often mention history, project, computer, ugly and works. Most posts are galleries (45%).
Is r/electronics SFW?
Yes. Reddit does not mark r/electronics as an 18+ (NSFW) community. SubMouse lists safe-for-work subreddits only.
What are the rules of r/electronics?
Join the community on Reddit first, then use “Create post”. r/electronics accepts link and media posts (no plain text posts), with images and galleries enabled. It has 4 posted rules, starting with: “Be on topic - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!”; “Be civil and professional - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!”; “No commercial or promotional posts - !!!THIS SUB DOES NOT ALLOW QUESTIONS!!!”. Moderators remove posts that break the rules, so read them in the sidebar before posting.
What subreddits are similar to r/electronics?
Communities with similar topics include r/electronicmusic (2.7M).
Stats from public data (data updated Nov 9, 2026; activity, rules and archive totals via the Arctic Shift archive, Nov 9, 2026; top posts from Reddit’s public feeds). Point and comment counts are archive snapshots and can be lower than on Reddit today. SubMouse is an independent directory and is not affiliated with Reddit or the moderators of r/electronics.